a basic integration in which we can integrate a beautiful form builder with civicrm

Potential to be opensourced with your credits

we want to be able to create a form in tellform, and will have a button on our homepage linking to such a custom made tellform that auto populates the CiviCRM database by creating a new profile.

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and having these new requests stored in a CiviCRM database (basically a group called "webform requests")

besides the homepage, every user will have such form as well :2 at our current moment) which then saves the form with also a tag attached "local expert 1/2" and a group "webform" (if any better civicrm workflow suggestions please let me know)

just adding to a group and adding a tag should be sufficient, so I don't know what else you have in mind which is so much better but adds 4 more days.